December weather in Mesa, United States
Averages from 155 days in December across 2020–2024.
Typical conditions
| Average high | 19.9°C |
|---|---|
| Average low | 8.2°C |
| Average mean | 13.7°C |
| Total precipitation | 177.3 mm |
| Rainy days | 29 |
| Average precipitation hours | 1.3 h |
| Average max wind speed | 14 km/h |
| Average sunshine | 8.3 h/day |
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